Leviticus 3:7-9

King James Version

⁷ If he offer a lamb for his offering, then shall he offer it before the Lord.

⁸ And he shall lay his hand upon the head of his offering, and kill it before the tabernacle of the congregation: and Aaron's sons shall sprinkle the blood thereof round about upon the altar.

⁹ And he shall offer of the sacrifice of the peace offering an offering made by fire unto the Lord; the fat thereof, and the whole rump, it shall he take off hard by the backbone; and the fat that covereth the inwards, and all the fat that is upon the inwards,